life-threatening
adjective
life-threat·en·ing
ˈlīf-ˌthre-tᵊn-iŋ 
-ˌthret-niŋ
: capable of causing death : potentially fatal
a life-threatening disease/condition
The injuries are serious but not life-threatening.
Examples of life-threatening in a Sentence
Recent Examples on the Web
Two of the injured were serious but not life-threatening, the outlet reported.
—
Bradford Betz, Fox News, 6 Mar. 2025
Forward Planning Basic, yet regular security training in situational awareness, trip planning and trauma first aid, especially for those executives in the public eye, can assist in awareness of suspicious behavior, potential dangers and how to react to life-threatening situations.
—James Henderson, Forbes, 6 Mar. 2025
Two of the 15 people were civilians with serious but not life-threatening injuries, fire authorities told reporters.
—Stella Kim, NBC News, 6 Mar. 2025
Rainfall could result in a total of more than 31 inches, per Reuters, and flash flooding could potentially become life-threatening.
—Jack Irvin, People.com, 5 Mar. 2025
See All Example Sentences for life-threatening
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Bradford Betz, Fox News, 6 Mar. 2025
Forward Planning Basic, yet regular security training in situational awareness, trip planning and trauma first aid, especially for those executives in the public eye, can assist in awareness of suspicious behavior, potential dangers and how to react to life-threatening situations.
—James Henderson, Forbes, 6 Mar. 2025
Two of the 15 people were civilians with serious but not life-threatening injuries, fire authorities told reporters.
—Stella Kim, NBC News, 6 Mar. 2025
Rainfall could result in a total of more than 31 inches, per Reuters, and flash flooding could potentially become life-threatening.
—Jack Irvin, People.com, 5 Mar. 2025
See All Example Sentences for life-threatening
Cite this Entry
“Life-threatening.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/life-threatening. Accessed 10 Mar. 2025.
Copy CitationMedical Definition
life-threatening
adjective
life-threat·en·ing
ˈlīf-ˌthret-ən-iŋ
: capable of causing death : potentially fatal
life-threatening injuries
a life-threatening allergic reaction
life-threatening arrhythmia
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